package collection;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i < 10; i++){
            list.add(i*10);
        }
        System.out.println(list);

        List<Integer> subList = list.subList(3, 8);
        System.out.println(subList);
        for (int i = 0; i < subList.size(); i++){
            subList.set(i, subList.get(i)*10);
        }
        System.out.println(subList);
        System.out.println(list);
        list.set(3,1000);
        System.out.println(subList);
        System.out.println(list);
        list.remove(0);
        System.out.println(list);
        //System.out.println(subList);//原集合长度改变，子集合就不能继续操作了,但可以重新获取子集
    }

}
